C3132121111331312113313331333133313331333132313331333133313331333131221312321   >>    C313212111133131211331333133313331333133313231333133313331333133313122131232   <<    C3132121111331312113313331333133313331333132313331333133313331333131221312323   >>      C3132121111331312113313331333133313331333132313331333133313331333131221312322   >>